‘Although this case involves social media posts made outside of school hours, and is therefore a matter for the police to investigate, we feel we have a moral duty towards our pupils to help if we can.

‘Where mediation does not resolve bullying issues, the school takes a firm line and will ultimately exclude a pupil should it continue.’

According to anti-bullying charity Ditch The Label, 1.5 billion young people have been bullied within the past year.